CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 50 enrolled
Drug / intervention
Use of fluoridated toothpaste +2 moreother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04208802
NCT04208802N/ACompleted

Effect of Smoking on Saliva Composition and the Development of Dental Erosion - an In-situ Study

University of Göttingen·observational·Posted Dec 23, 2019·Updated Jan 27, 2026

In Brief

An observational study evaluating Use of fluoridated toothpaste, Wearing of an intraoral device with bovine tooth samples, and 1 other intervention for Dental Erosion. Completed, enrolled 50 participants across 1 site.

Detailed Summary

The aim of this study is to investigate whether smoking is associated with changes in salivary composition and/or predisposition to erosion. Healthy volunteers are observationally wearing an intraoral device with both bovine tooth specimens (enamel and dentin) and resin specimens twice for two hours each. Afterwards, specimens are eroded extraorally and calcium release into the acid is measured. Total protein concentration and protein composition of the salivary pellicles on the resin samples are measured. Additionally, salivary parameters (unstimulated and stimulated saliva flow rate, pH, buffer capacity, total protein content and protein composition as well as concentration of inorganic calcium, phosphate, and fluoride) are measured.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsDental Erosion
CountriesGermany
Collaborators--

Timeline

N/ACompletedFinished
2020202120222023202420252026
First PostedDec 23, 2019
Enrollment StartSep 24, 2020
Primary CompletionJul 29, 2022
TodayJul 2, 2026
Enrollment to primary: 1.8 yearsPosted 6.5 years ago

Interventions

Use of fluoridated toothpasteother

Use of fluoridated toothpaste

Wearing of an intraoral device with bovine tooth samplesother

Wearing of an intraoral device with bovine tooth samples

Wearing of an intraoral device with resin samplesother

Wearing of an intraoral device with resin samples